Area of a Triangle
Area of a Triangle The area of a triangle, whose vertices are (x₁, y₁), (x₂, y₂), and (x₃, y₃) is = ½ |x₁ (y₂ – y₃) + x₂ (y₃ – y₁) + x₃ (y₁ – y₂)|. Proof: Let ABC be a triangle whose vertices are A (x₁, y₁), B (x₂, y₂), and C (x₃, y₃). Read more about Area of a Triangle[…]